| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (510) 703-50** | (510) 703-5002 - (510) 703-5097 | 33 |
| (510) 703-51** | (510) 703-5106 - (510) 703-5198 | 29 |
| (510) 703-52** | (510) 703-5201 - (510) 703-5295 | 37 |
| (510) 703-53** | (510) 703-5301 - (510) 703-5399 | 34 |
| (510) 703-54** | (510) 703-5400 - (510) 703-5497 | 34 |
| (510) 703-55** | (510) 703-5500 - (510) 703-5599 | 37 |
| (510) 703-56** | (510) 703-5606 - (510) 703-5698 | 30 |
| (510) 703-57** | (510) 703-5704 - (510) 703-5797 | 31 |
| (510) 703-58** | (510) 703-5805 - (510) 703-5891 | 33 |
| (510) 703-59** | (510) 703-5901 - (510) 703-5996 | 24 |
US Phone Directory: (510) 703-5***
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